JEE Main Chemistry question

Chemistry Equilibrium JEE Main

The relation for calculating pH of a weak base is:

(A)pH = pKw − ½pKb + ½logCCorrect
(B)pH = pKw + ½pKb − ½logC
(C)pH = pKw − ½pKa + ½logC
(D)None of the above

Answer: (A)

Solution

Standard weak-base pH formula.

Question ID VK-136216